197843028 has 12 divisors (see below), whose sum is σ = 461633760. Its totient is φ = 65947672.

The previous prime is 197842993. The next prime is 197843039. The reversal of 197843028 is 820348791.

197843028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8243448 + ... + 8243471.

It is an arithmetic number, because the mean of its divisors is an integer number (38469480).

Almost surely, 2^197843028 is an apocalyptic number.

It is an amenable number.

197843028 is an abundant number, since it is smaller than the sum of its proper divisors (263790732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197843028 is a wasteful number, since it uses less digits than its factorization.

197843028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16486926 (or 16486924 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 197843028 is about 14065.6684163960. The cubic root of 197843028 is about 582.6936027487.

The spelling of 197843028 in words is "one hundred ninety-seven million, eight hundred forty-three thousand, twenty-eight".